Plumbing escutcheon



FIG. 1 is an exploded front elevational view of the plumbing escutcheon showing my new design;

FIG. 2 is an exploded rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is an exploded top plan view thereof; and,

FIG. 6 is an exploded bottom plan view thereof. 

The ornamental design for a plumbing escutcheon, as shown and described. 